If you’ve worked with passive RFID before, you know that most readers only work within inches of the card. In [Fran’s] DEFCON talk this summer he calls it the “ass-grabbing method” of ...
It doesn’t need a battery to capture key codes, just the magnetic field generated by an RFID reader. You can see the functionality demonstrated in the video after the break. By holding the ...
Credit cards and ID badges have to be brought fairly close to the readers, somewhat like barcodes. For other applications, passive RFID tags can be read up to approximately 10 feet away ...
Consequently, passive RFID tags have ranges of less than several feet. This characteristic can be both a design benefit (such as in credit cards) or drawback (such as in warehouse inventory). The ...
Image credit: Advanced Infrastructure The way in which the reader perceives the RFID tag depends on whether the tag is active or passive. Active tags periodically transmit the tag's RF signal, which ...
Intelligently deployed RFID readers help reduce other product losses ... Similarly, asset tracking capabilities of both passive and active RFID tags help operators locate needed equipment and ...